| Erith to Popovo | 1,332.03 mi (2,143.70 km) |
| Erith to Provadia | 1,388.54 mi (2,234.63 km) |
| Erith to Radnevo | 1,361.60 mi (2,191.29 km) |
| Erith to Radomir | 1,230.04 mi (1,979.55 km) |
| Erith to Rakitovo | 1,299.79 mi (2,091.80 km) |
| Erith to Rakovski | 1,322.54 mi (2,128.42 km) |
| Erith to Razgrad | 1,336.81 mi (2,151.39 km) |
| Erith to Razlog | 1,279.43 mi (2,059.04 km) |
| Erith to Ruse | 1,302.31 mi (2,095.87 km) |
| Erith to Samokov | 1,263.42 mi (2,033.27 km) |
| Erith to Sandanski | 1,285.98 mi (2,069.59 km) |
| Erith to Sevlievo | 1,298.42 mi (2,089.61 km) |
| Erith to Shumen | 1,363.79 mi (2,194.81 km) |
| Erith to Silistra | 1,346.28 mi (2,166.64 km) |
| Erith to Sliven | 1,362.47 mi (2,192.69 km) |
